Re: [CAD_CAM_EDM_DRO] Re: AutoCad help. How to draw a smooth curved line between a small and large circle

Jarret,

I think that this might have been they way I was shown how to do it at class
a few years ago.
I will give it a go and see how it turns out.

Peter
Australia

----- Original Message -----
From: "jerryflyguy" <hjjohnson@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Tuesday, March 07, 2006 1:12 AM
Subject: [CAD_CAM_EDM_DRO] Re: AutoCad help. How to draw a smooth curved
line between a small and large circle


> The best way I've found is to use The circle function w/
> tan/tan/rad. You select the 'draw circle' icon, then type TTR
> [enter], then select the first circle [ or radius] that you'd like
> to be tangent to, and then the second one, then input the radius
> you'd like on the connecting arc/circle and it'll input a circle
> that is tangent to both other cirlces [ or arc's] and at the radius
> that you desire. If you only want an arc between the circles and not
> another circle then just trim off what parts you don't want, using
> the two original circle as cutting edges.
>
> Hope that help's
> Jarrett Johnson
>
>
>>
>> AutoCad help. How to draw a smooth curved line between a small
> and
>> large circle.
>>
>> Hi all,
>>
>> I can't remember how to draw a curved line that joins two circles
>> together. Imagine a circle 100mm and another circle 50mm, the
>> centre distance apart will be say 300mm. Lets draw a straight
> line
>> from the top of each circle and join them together.
>>
>> On the bottom, instead of having a straight line, I want to make a
>> curved line that will be concave. That is, the centre of the line
>> has been lifted upwards closer to the top line. Like the opposite
>> of a smiley face.
>>
>> What will happen is I can make a curve to join both circles but
>> where they join the circles will be at the quadrants. So there
> will
>> not be a smooth blended transition onto the curved line. But
> rather
>> as soon as the curved line joins the quadrant at the bottom of the
>> circle, it will have a bump/step there as it becomes the curved
> line.
>>
>> It is like it needs to be joined further along the circumference
> of
>> the circle so that it blends in nice and smooth.
>>
>> I used to be able to do it, but I can not remember now.
>>
>> Any ideas?
>>
>> Peter
>> Australia
>>
>
>
>
>
>
>
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